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selftests/bpf: Don't truncate #test/subtest field

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We currently expect up to a three-digit number of tests and subtests, so:

  #999/999: some_test/some_subtest: ...

Is the largest test/subtest we can see. If we happen to cross into
1000s, current logic will just truncate everything after 7th character.
This patch fixes this truncate and allows to go way higher (up to 31
characters in total). We still nicely align test numbers:

  #60/66   core_reloc_btfgen/type_based___incompat:OK
  #60/67   core_reloc_btfgen/type_based___fn_wrong_args:OK
  #60/68   core_reloc_btfgen/type_id:OK
  #60/69   core_reloc_btfgen/type_id___missing_targets:OK
  #60/70   core_reloc_btfgen/enumval:OK

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20231006175744.3136675-3-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko
2023-10-06 10:57:44 -07:00
committed by Daniel Borkmann
parent 46475cc0dd
commit 0af3aace5b
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/bpf/test_progs.c
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@@ -255,7 +255,7 @@ static void print_subtest_name(int test_num, int subtest_num,
const char *test_name, char *subtest_name,
char *result)
{
char test_num_str[TEST_NUM_WIDTH + 1];
char test_num_str[32];
snprintf(test_num_str, sizeof(test_num_str), "%d/%d", test_num, subtest_num);